Mitosis is not having the one of the character out of the four given below :

Options

A. It is an equational division
B. It involves recombination and crossing over
C. Sister chromatid separated during Anaphase
D. Nuclear membrane disappears during late prophase

Answer

To solve the question regarding the characteristics of mitosis and identify which one does not apply, we can analyze each of the four given statements step by step.

### Step 1: Understand Mitosis
Mitosis is a type of cell division that results in two daughter cells, each having the same number of chromosomes as the parent cell. It is characterized by the equal distribution of replicated chromosomes.

### Step 2: Analyze the Statements
1. **Equational Division**: This statement is true. Mitosis is indeed an equational division because it maintains the chromosome number (2n to 2n) in the daughter cells.

2. **Involves Recombination and Crossing Over**: This statement is false. Recombination and crossing over occur during meiosis, not mitosis. In meiosis, homologous chromosomes exchange genetic material, which does not happen in mitosis.

3. **Sister Chromatids Separate During Anaphase**: This statement is true. During anaphase of mitosis, sister chromatids are pulled apart to opposite poles of the cell.

4. **Nuclear Membrane Disappears During Late Prophase**: This statement is also true. The nuclear membrane begins to break down during prophase and is completely gone by late prophase.

### Step 3: Identify the Incorrect Statement
From the analysis above, the statement that does not describe mitosis is the second one: "It involves recombination and crossing over." This process is specific to meiosis.

### Conclusion
The characteristic that mitosis does not have is: **It involves recombination and crossing over.**

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